﻿using System;

/*
 * Write an expression that checks if given point (x,  y) is within a circle K(O, 5).
 */

class IsAPointWithinACircle
{
    static void Main(string[] args)
    {
        double x = 3.5;
        double y = 3.6;
        double radius = 5.0;
        bool isAPointWithinACircle = (x * x + y * y) < (radius * radius);
        Console.WriteLine("The point[ {0} ; {1} ] is within the circle K( 0 , {2} ): {3}",x,y,radius,isAPointWithinACircle);
    }
}